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Thermo Scientific™ D/E (Dey-Engley) Neutralizing Agar (Dehydrated)

Catalog No. R453032
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R453032 500 g
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Catalog No. R453032 Supplier Thermo Scientific™ Supplier No. R453032
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Description

Neutralize chemical disinfectants to confirm bacteriostatic and bactericidal activity in environmental sampling procedures with D/E Neutralizing Agar.

Neutralize chemical disinfectants to distinguish bacteriostatic and bactericidal activity in environmental sampling procedures using Thermo Scientific™ Remel™ D/E (Dey-Engley) Neutralizing Agar (Dehydrated). This medium was formulated by Engley and Dey in 1970 for neutralizing and testing antiseptics and disinfectants1. It is recommended in the Compendium of Methods for the Microbiological Examination of Foods by the American Public Health Association (APHA) for environmental sampling2.

Neutralize chemical disinfectants to distinguish bacteriostatic and bactericidal activity in environmental sampling procedures using D/E (Dey-Engley) Neutralizing Agar. The medium can neutralize a range of chemicals including mercurial, iodine or chlorine preparations, quaternary ammonium compounds, formaldehyde and glutaraldehyde.

  • Easy to Identify: Bromocresol purple is used as an indicator for the fermentation of dextrose by shifting from purple to yellow at acidic pH.
  • Recommended in the Compendium of Methods for the Microbiological Examination of Foods by the American Public Health Association (APHA) for environmental sampling

This medium contains peptone and yeast extract to provide a source of nitrogen, carbon and vitamins. Dextrose provides energy and sodium thiosulfate is incorporated to neutralize chlorine and iodine. Polysorbate 80 neutralizes phenols and formalin. Sodium thioglycolate neutralizes mercurials. Sodium bisulfite neutralizes formaldehyde and glutaraldehyde. Lecithin neutralizes quaternary ammonium compounds. This medium is suitable for environmental sampling where neutralization of the chemical is important to determine its bactericidal activity.

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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.

TRUSTED_SUSTAINABILITY

Specifications

Certifications/Compliance Industrial Reference: COMPF.
Description D/E Neutralizing Agar
Form Powder
Product Type Agar
Quantity 500 g

Not intended for IVD use.

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